Home / 127,568,502.96-191,197,297.02-66,123,786.62

Finding the Fourth Proportional to 127,568,502.96, 191,197,297.02 and 66,123,786.62

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Solution

The fourth proportional to 127,568,502.96, 191,197,297.02 and 66,123,786.62 is: 99,105,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,568,502.96 : 191,197,297.02 = 66,123,786.62 : x
  2. Step 2: Convert to fraction form
    127,568,502.96/191,197,297.02 = 66,123,786.62/x
  3. Step 3: Cross multiply
    127,568,502.96x = 191,197,297.02 × 66,123,786.62
  4. Step 4: Simplify right side
    127,568,502.96x = 12,642,689,270,471,242
  5. Step 5: Solve for x
    x = 12,642,689,270,471,242/127,568,502.96
  6. Step 6: Final answer
    x = 99,105,100.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.